This paper is in the following e-collections/theme issues:

Peer-to-peer support and online communities  Medicine 2.0: Social Media, Open, Participatory, Collaborative Medicine  ISRII Theme Issue 2013 

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Works citing "The 1% Rule in Four Digital Health Social Networks: An Observational Study"

Trevor van Mierlo
J Med Internet Res 2014 (Feb 04); 16(2):e33 

According to Crossref, the following articles are citing this article (DOI 10.2196/jmir.2966):

(note that this is only a small subset of citations)

1. Stearns M, Nambiar S, Nikolaev A, Semenov A, McIntosh S. Towards evaluating and enhancing the reach of online health forums for smoking cessation. Network Modeling Analysis in Health Informatics and Bioinformatics 2014;3(1) [CrossRef]
2. Ünlü Ince B, Cuijpers P, van 't Hof E, Riper H. Reaching and recruiting Turkish migrants for a clinical trial through Facebook: A process evaluation. Internet Interventions 2014;1(2):74 [CrossRef]
3. O'Neill B, Ziebland S, Valderas J, Lupiáñez-Villanueva F. User-Generated Online Health Content: A Survey of Internet Users in the United Kingdom. Journal of Medical Internet Research 2014;16(4):e118 [CrossRef]
4. Sun N, Rau PP, Ma L. Understanding lurkers in online communities: A literature review. Computers in Human Behavior 2014;38:110 [CrossRef]